• Tonight

    Sep 17

    Lo 7°

    Mostly cloudy, a little rain

    Migraine Headache Weather
    • Hi
      RealFeel
      16°
    • UV
      3 - Moderate
    • Cloud
      Cover
      80%
    more
  • Thu

    Sep 18

    13°Lo 1°

    Clouds giving way to sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      15°
    • UV
      4 - Moderate
    • Cloud
      Cover
      60%
  • Fri

    Sep 19

    14°Lo 8°

    Fog in the a.m.; lots of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      17°
    • UV
      4 - Moderate
    • Cloud
      Cover
      20%
    more
  • Sat

    Sep 20

    20°Lo 15°

    Showers around in the p.m.

    Beneficial weather for migraines
    • Hi
      RealFeel
      18°
    • UV
      2 - Low
    • Cloud
      Cover
      93%
    more
  • Sun

    Sep 21

    22°Lo 9°

    Rather cloudy with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      23°
    • UV
      3 - Moderate
    • Cloud
      Cover
      79%
    more
Next Previous
Hi 13° RealFeel® 15° Precipitation 1%

Day

N

E

S

W

  • NNW 10 km/h
  • Gusts: 14 km/h

Clouds giving way to sun

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 1° RealFeel® 2° Precipitation 0%

Night

N

E

S

W

  • ENE 5 km/h
  • Gusts: 10 km/h

Mainly clear and cold; areas of late-night fog; freezing temperatures in the normally colder spots

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 13° 19° 30° (1942) 21°
Low (1943)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:24 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:14 AM with 14:45 of moolight, then sets at 3:59 PM

Top Story

Longueuil Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 9:16 PM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >